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CVE-2013-1826

18
FAUCET Score

CVE-2013-1826 is a NULL pointer dereference vulnerability in the xfrm_state_netlink function of the Linux kernel before version 3.5.7. This flaw allows local users with CAP_NET_ADMIN capabilities to either gain privileges or cause a denial of service by crashing the system. The vulnerability has a CVSS score of 6.2, indicating a high impact on confidentiality, integrity, and availability, with a local attack vector and high attack complexity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.5.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*
3.5.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*
3.5.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*
3.5.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

AV:L/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 78th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-348.4.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-358.6.1.el6
View patch

Vendor Advisories (1)

redhatCVE-2013-1826Moderate

Kernel: xfrm_user: return error pointer instead of NULL

Sep 13, 2012

References

git.kernel.org
rhn.redhat.com / errata/RHSA-2013-0744.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.5.7
openwall.com / lists/oss-security/2013/03/07/2
ubuntu.com / usn/USN-1829-1